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node_modules/istanbul-lib-hook/CHANGELOG.md

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+# Change Log
+
+All notable changes to this project will be documented in this file.
+See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
+
+# [3.0.0](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@3.0.0-alpha.2...istanbul-lib-hook@3.0.0) (2019-12-20)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+# [3.0.0-alpha.2](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@3.0.0-alpha.1...istanbul-lib-hook@3.0.0-alpha.2) (2019-12-07)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+# [3.0.0-alpha.1](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@3.0.0-alpha.0...istanbul-lib-hook@3.0.0-alpha.1) (2019-10-06)
+
+
+### Bug Fixes
+
+* **package:** update append-transform to version 2.0.0 ([#466](https://github.com/istanbuljs/istanbuljs/issues/466)) ([7344b2b](https://github.com/istanbuljs/istanbuljs/commit/7344b2b))
+
+
+
+
+
+# [3.0.0-alpha.0](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.7...istanbul-lib-hook@3.0.0-alpha.0) (2019-06-19)
+
+
+### Features
+
+* Update dependencies, require Node.js 8 ([#401](https://github.com/istanbuljs/istanbuljs/issues/401)) ([bf3a539](https://github.com/istanbuljs/istanbuljs/commit/bf3a539))
+
+
+### BREAKING CHANGES
+
+* Node.js 8 is now required
+
+
+
+
+
+## [2.0.7](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.6...istanbul-lib-hook@2.0.7) (2019-04-24)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+## [2.0.6](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.5...istanbul-lib-hook@2.0.6) (2019-04-09)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+## [2.0.5](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.4...istanbul-lib-hook@2.0.5) (2019-04-03)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+## [2.0.4](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.3...istanbul-lib-hook@2.0.4) (2019-03-12)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+## [2.0.3](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.2...istanbul-lib-hook@2.0.3) (2019-01-26)
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+
+
+
+
+<a name="2.0.2"></a>
+## [2.0.2](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.1...istanbul-lib-hook@2.0.2) (2018-12-25)
+
+
+
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+<a name="2.0.1"></a>
+## [2.0.1](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@2.0.0...istanbul-lib-hook@2.0.1) (2018-07-07)
+
+
+
+
+**Note:** Version bump only for package istanbul-lib-hook
+
+<a name="2.0.0"></a>
+# [2.0.0](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@1.2.1...istanbul-lib-hook@2.0.0) (2018-06-06)
+
+
+### Bug Fixes
+
+* 1.2.x should have been a breaking change ([#181](https://github.com/istanbuljs/istanbuljs/issues/181)) ([2872835](https://github.com/istanbuljs/istanbuljs/commit/2872835))
+
+
+### BREAKING CHANGES
+
+* the closure provied to hookRequire, hookRunInThisContext, etc., is now passed an object with a filename member, rather than a string representing filename.
+
+
+
+
+<a name="1.2.1"></a>
+## [1.2.1](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@1.2.0...istanbul-lib-hook@1.2.1) (2018-06-06)
+
+
+### Bug Fixes
+
+* pass correct args to tranformer ([#153](https://github.com/istanbuljs/istanbuljs/issues/153)) ([#154](https://github.com/istanbuljs/istanbuljs/issues/154)) ([2b2250f](https://github.com/istanbuljs/istanbuljs/commit/2b2250f))
+
+
+
+
+<a name="1.2.0"></a>
+# [1.2.0](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@1.1.0...istanbul-lib-hook@1.2.0) (2018-03-04)
+
+
+### Features
+
+* hookRunInThisContext now takes options object rather than filename  ([#99](https://github.com/istanbuljs/istanbuljs/issues/99)) ([1504374](https://github.com/istanbuljs/istanbuljs/commit/1504374))
+
+
+
+
+<a name="1.1.0"></a>
+# [1.1.0](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@1.0.7...istanbul-lib-hook@1.1.0) (2017-10-21)
+
+
+### Features
+
+* hook vm.runInContext ([#90](https://github.com/istanbuljs/istanbuljs/issues/90)) ([9659936](https://github.com/istanbuljs/istanbuljs/commit/9659936))
+
+
+
+
+<a name="1.0.7"></a>
+## [1.0.7](https://github.com/istanbuljs/istanbuljs/compare/istanbul-lib-hook@1.0.6...istanbul-lib-hook@1.0.7) (2017-05-27)
+
+
+
+
+<a name="1.0.6"></a>
+## [1.0.6](https://github.com/istanbuljs/istanbul-lib-hook/compare/istanbul-lib-hook@1.0.5...istanbul-lib-hook@1.0.6) (2017-04-29)
+
+
+
+
+<a name="1.0.5"></a>
+## [1.0.5](https://github.com/istanbuljs/istanbul-lib-hook/compare/istanbul-lib-hook@1.0.4...istanbul-lib-hook@1.0.5) (2017-03-27)
+
+<a name="1.0.4"></a>
+## [1.0.4](https://github.com/istanbuljs/istanbul-lib-hook/compare/istanbul-lib-hook@1.0.3...istanbul-lib-hook@1.0.4) (2017-03-21)
+
+<a name="1.0.3"></a>
+## [1.0.3](https://github.com/istanbuljs/istanbul-lib-hook/compare/istanbul-lib-hook@1.0.2...istanbul-lib-hook@1.0.3) (2017-03-21)
+
+<a name="1.0.2"></a>
+## [1.0.2](https://github.com/istanbuljs/istanbul-lib-hook/compare/istanbul-lib-hook@1.0.0...istanbul-lib-hook@1.0.2) (2017-03-21)
+
+<a name="1.0.0"></a>
+# [1.0.0](https://github.com/istanbuljs/istanbul-lib-hook/compare/v1.0.0-alpha.3...v1.0.0) (2017-01-17)
+
+
+### Bug Fixes
+
+* update append-transform to version that fixes issues run into by ts-node ([f4aaf79](https://github.com/istanbuljs/istanbul-lib-hook/commit/f4aaf79))

node_modules/istanbul-lib-hook/LICENSE

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+Copyright 2012-2015 Yahoo! Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the Yahoo! Inc. nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL YAHOO! INC. BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

node_modules/istanbul-lib-hook/README.md

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+# istanbul-lib-hook
+
+[![Greenkeeper badge](https://badges.greenkeeper.io/istanbuljs/istanbul-lib-hook.svg)](https://greenkeeper.io/)
+[![Build Status](https://travis-ci.org/istanbuljs/istanbul-lib-hook.svg?branch=master)](https://travis-ci.org/istanbuljs/istanbul-lib-hook)
+
+Hooks for require, vm and script used in istanbul

node_modules/istanbul-lib-hook/index.js

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+'use strict';
+/*
+ Copyright 2012-2015, Yahoo Inc.
+ Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
+ */
+module.exports = require('./lib/hook');

node_modules/istanbul-lib-hook/lib/hook.js

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+'use strict';
+/*
+ Copyright 2012-2015, Yahoo Inc.
+ Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
+ */
+const path = require('path');
+const vm = require('vm');
+const appendTransform = require('append-transform');
+const originalCreateScript = vm.createScript;
+const originalRunInThisContext = vm.runInThisContext;
+const originalRunInContext = vm.runInContext;
+
+function transformFn(matcher, transformer, verbose) {
+    return function(code, options) {
+        options = options || {};
+
+        // prior to 2.x, hookRequire returned filename
+        // rather than object.
+        if (typeof options === 'string') {
+            options = { filename: options };
+        }
+
+        const shouldHook =
+            typeof options.filename === 'string' &&
+            matcher(path.resolve(options.filename));
+        let transformed;
+        let changed = false;
+
+        if (shouldHook) {
+            if (verbose) {
+                console.error(
+                    'Module load hook: transform [' + options.filename + ']'
+                );
+            }
+            try {
+                transformed = transformer(code, options);
+                changed = true;
+            } catch (ex) {
+                console.error(
+                    'Transformation error for',
+                    options.filename,
+                    '; return original code'
+                );
+                console.error(ex.message || String(ex));
+                if (verbose) {
+                    console.error(ex.stack);
+                }
+                transformed = code;
+            }
+        } else {
+            transformed = code;
+        }
+        return { code: transformed, changed };
+    };
+}
+/**
+ * unloads the required caches, removing all files that would have matched
+ * the supplied matcher.
+ * @param {Function} matcher - the match function that accepts a file name and
+ *  returns if that file should be unloaded from the cache.
+ */
+function unloadRequireCache(matcher) {
+    /* istanbul ignore else: impossible to test */
+    if (matcher && typeof require !== 'undefined' && require && require.cache) {
+        Object.keys(require.cache).forEach(filename => {
+            if (matcher(filename)) {
+                delete require.cache[filename];
+            }
+        });
+    }
+}
+/**
+ * hooks `require` to return transformed code to the node module loader.
+ * Exceptions in the transform result in the original code being used instead.
+ * @method hookRequire
+ * @static
+ * @param matcher {Function(filePath)} a function that is called with the absolute path to the file being
+ *  `require`-d. Should return a truthy value when transformations need to be applied to the code, a falsy value otherwise
+ * @param transformer {Function(code, filePath)} a function called with the original code and the associated path of the file
+ *  from where the code was loaded. Should return the transformed code.
+ * @param options {Object} options Optional.
+ * @param {Boolean} [options.verbose] write a line to standard error every time the transformer is called
+ * @param {Function} [options.postLoadHook] a function that is called with the name of the file being
+ *  required. This is called after the require is processed irrespective of whether it was transformed.
+ * @returns {Function} a reset function that can be called to remove the hook
+ */
+function hookRequire(matcher, transformer, options) {
+    options = options || {};
+    let disable = false;
+    const fn = transformFn(matcher, transformer, options.verbose);
+    const postLoadHook =
+        options.postLoadHook && typeof options.postLoadHook === 'function'
+            ? options.postLoadHook
+            : null;
+
+    const extensions = options.extensions || ['.js'];
+
+    extensions.forEach(ext => {
+        appendTransform((code, filename) => {
+            if (disable) {
+                return code;
+            }
+            const ret = fn(code, filename);
+            if (postLoadHook) {
+                postLoadHook(filename);
+            }
+            return ret.code;
+        }, ext);
+    });
+
+    return function() {
+        disable = true;
+    };
+}
+/**
+ * hooks `vm.createScript` to return transformed code out of which a `Script` object will be created.
+ * Exceptions in the transform result in the original code being used instead.
+ * @method hookCreateScript
+ * @static
+ * @param matcher {Function(filePath)} a function that is called with the filename passed to `vm.createScript`
+ *  Should return a truthy value when transformations need to be applied to the code, a falsy value otherwise
+ * @param transformer {Function(code, filePath)} a function called with the original code and the filename passed to
+ *  `vm.createScript`. Should return the transformed code.
+ * @param options {Object} options Optional.
+ * @param {Boolean} [options.verbose] write a line to standard error every time the transformer is called
+ */
+function hookCreateScript(matcher, transformer, opts) {
+    opts = opts || {};
+    const fn = transformFn(matcher, transformer, opts.verbose);
+    vm.createScript = function(code, file) {
+        const ret = fn(code, file);
+        return originalCreateScript(ret.code, file);
+    };
+}
+/**
+ * unhooks vm.createScript, restoring it to its original state.
+ * @method unhookCreateScript
+ * @static
+ */
+function unhookCreateScript() {
+    vm.createScript = originalCreateScript;
+}
+/**
+ * hooks `vm.runInThisContext` to return transformed code.
+ * @method hookRunInThisContext
+ * @static
+ * @param matcher {Function(filePath)} a function that is called with the filename passed to `vm.runInThisContext`
+ *  Should return a truthy value when transformations need to be applied to the code, a falsy value otherwise
+ * @param transformer {Function(code, options)} a function called with the original code and the filename passed to
+ *  `vm.runInThisContext`. Should return the transformed code.
+ * @param opts {Object} [opts={}] options
+ * @param {Boolean} [opts.verbose] write a line to standard error every time the transformer is called
+ */
+function hookRunInThisContext(matcher, transformer, opts) {
+    opts = opts || {};
+    const fn = transformFn(matcher, transformer, opts.verbose);
+    vm.runInThisContext = function(code, options) {
+        const ret = fn(code, options);
+        return originalRunInThisContext(ret.code, options);
+    };
+}
+/**
+ * unhooks vm.runInThisContext, restoring it to its original state.
+ * @method unhookRunInThisContext
+ * @static
+ */
+function unhookRunInThisContext() {
+    vm.runInThisContext = originalRunInThisContext;
+}
+/**
+ * hooks `vm.runInContext` to return transformed code.
+ * @method hookRunInContext
+ * @static
+ * @param matcher {Function(filePath)} a function that is called with the filename passed to `vm.createScript`
+ *  Should return a truthy value when transformations need to be applied to the code, a falsy value otherwise
+ * @param transformer {Function(code, filePath)} a function called with the original code and the filename passed to
+ *  `vm.createScript`. Should return the transformed code.
+ * @param opts {Object} [opts={}] options
+ * @param {Boolean} [options.verbose] write a line to standard error every time the transformer is called
+ */
+function hookRunInContext(matcher, transformer, opts) {
+    opts = opts || {};
+    const fn = transformFn(matcher, transformer, opts.verbose);
+    vm.runInContext = function(code, context, file) {
+        const ret = fn(code, file);
+        const coverageVariable = opts.coverageVariable || '__coverage__';
+        // Refer coverage variable in context to global coverage variable.
+        // So that coverage data will be written in global coverage variable for unit tests run in vm.runInContext.
+        // If all unit tests are run in vm.runInContext, no global coverage variable will be generated.
+        // Thus initialize a global coverage variable here.
+        if (!global[coverageVariable]) {
+            global[coverageVariable] = {};
+        }
+        context[coverageVariable] = global[coverageVariable];
+        return originalRunInContext(ret.code, context, file);
+    };
+}
+/**
+ * unhooks vm.runInContext, restoring it to its original state.
+ * @method unhookRunInContext
+ * @static
+ */
+function unhookRunInContext() {
+    vm.runInContext = originalRunInContext;
+}
+/**
+ * istanbul-lib-hook provides mechanisms to transform code in the scope of `require`,
+ * `vm.createScript`, `vm.runInThisContext` etc.
+ *
+ * This mechanism is general and relies on a user-supplied `matcher` function that
+ * determines when transformations should be performed and a user-supplied `transformer`
+ * function that performs the actual transform. Instrumenting code for coverage is
+ * one specific example of useful hooking.
+ *
+ * Note that both the `matcher` and `transformer` must execute synchronously.
+ *
+ * @module Exports
+ * @example
+ * var hook = require('istanbul-lib-hook'),
+ *     myMatcher = function (file) { return file.match(/foo/); },
+ *     myTransformer = function (code, file) {
+ *         return 'console.log("' + file + '");' + code;
+ *     };
+ *
+ * hook.hookRequire(myMatcher, myTransformer);
+ * var foo = require('foo'); //will now print foo's module path to console
+ */
+module.exports = {
+    hookRequire,
+    hookCreateScript,
+    unhookCreateScript,
+    hookRunInThisContext,
+    unhookRunInThisContext,
+    hookRunInContext,
+    unhookRunInContext,
+    unloadRequireCache
+};

node_modules/istanbul-lib-hook/package.json

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+{
+  "name": "istanbul-lib-hook",
+  "version": "3.0.0",
+  "description": "Hooks for require, vm and script used in istanbul",
+  "author": "Krishnan Anantheswaran <kananthmail-github@yahoo.com>",
+  "main": "index.js",
+  "files": [
+    "lib",
+    "index.js"
+  ],
+  "scripts": {
+    "test": "nyc --nycrc-path=../../monorepo-per-package-full.js mocha"
+  },
+  "dependencies": {
+    "append-transform": "^2.0.0"
+  },
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "mocha": "^6.2.2",
+    "nyc": "^15.0.0-beta.2"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/istanbuljs/istanbuljs.git",
+    "directory": "packages/istanbul-lib-hook"
+  },
+  "keywords": [
+    "istanbul",
+    "hook"
+  ],
+  "license": "BSD-3-Clause",
+  "bugs": {
+    "url": "https://github.com/istanbuljs/istanbuljs/issues"
+  },
+  "homepage": "https://istanbul.js.org/",
+  "engines": {
+    "node": ">=8"
+  },
+  "gitHead": "5319df684b508ff6fb19fe8b9a6147a3c5924e4b"
+}